CN205643738U - Asymmetric sensitivity hand -held type metal detector - Google Patents
Asymmetric sensitivity hand -held type metal detector Download PDFInfo
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- CN205643738U CN205643738U CN201620245602.8U CN201620245602U CN205643738U CN 205643738 U CN205643738 U CN 205643738U CN 201620245602 U CN201620245602 U CN 201620245602U CN 205643738 U CN205643738 U CN 205643738U
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Abstract
The utility model relates to a security protection equipment field, the technical problem that solve overcomes not enough among the prior art, and it is convenient to provide an operation, asymmetric sensitivity hand -held type metal detector that can fast switch over detection sensitivity. Its detection portion forms the side of two at least differences, detection device is in be the skewed distribution in the detection portion, make the signal distribution of every different side different, form different test surfaces. Because the detection signal intensity of every test surface is different, it is also different to distribute, and just so the test surface in the difference forms different detection sensitivity, and at the in -process that uses, the securair staff only need rotate different test surfaces to being surveyed by the detection personnel, can realize different detection sensitivity's switching.
Description
Technical field
This patent relates to security device field, is a kind of asymmetric sensitivity Handheld metal detector in particular.
Background technology
Handheld metal detector as a kind of conventional security device, on airport, station, customs, the public place such as law court, be widely used in detection
It is hidden in the metal with human body.Handheld metal detector utilizes the principle of electromagnetic induction, by the Electromagnetic Launching coil in detector housing
Producing the magnetic field of change, this magnetic field is at metal surface or internal generation eddy current, and eddy current can produce again magnetic field affects original magnetic field in turn,
Detector detects the change in this magnetic field, thus detects the existence of metal, causes detector sound and light alarm.
At present, the search coil of the most existing Handheld metal detector uses and is arranged symmetrically with, i.e. the test surface of search coil distance both sides is
Away from, the most in use, regardless of positive and negative, the effect of two sides detection is the same.In the safety check of common public place, we mainly visit
Survey is prohibited items, such as controlled knife, firearms etc., so detectivity is the highest more good, too high meeting causes little metal to be reported to the police, generation
Wrong report；Too low meeting causes detecting producing less than metal fails to report.The generally sensitivity of Handheld metal detector can be arranged to highly sensitive by switch
Degree or muting sensitivity, for for different use occasions.But, in actual use, the setting of two grades of sensitivity is generally inadequate,
If frequently change sensitivity is arranged to judge metal size in practical operation simultaneously, not only affect detection efficiency but also have impact on the accuracy of detection.
Utility model content
To be solved technical problem is that of this patent overcomes deficiency of the prior art, it is provided that a kind of operation is convenient, it is not necessary to button or switch setting
Just can be switched fast the asymmetric sensitivity Handheld metal detector of detectivity.
For above-mentioned purpose, this patent is achieved by the following technical programs.
This patent describes a kind of asymmetric sensitivity Handheld metal detector, is at least provided with for sending and connecing in the shell of metal detector
Receive the exploring block of detectable signal, be used for controlling the controller of exploring block and for providing the battery of power supply, certain and metal detection of prior art
Device is the same also includes the fexible units such as buzzer, display lamp, circuit structure and switch.Described shell is formed and is connected with each other Handheld Division and probe portion, extremely
Few exploring block is arranged in described probe portion, it is characterised in that described probe portion forms the side that at least two is different, and described exploring block is described
In asymmetric distribution in probe portion, the signal distributions making each not ipsilateral is different, forms different test surfaces.Owing to the detection of each test surface is believed
Number intensity difference, is distributed the most different, thus forms different detectivities at different test surfaces, during using, and security staff
Only need to rotate different test surface detected personnel are detected, the switching of different detectivity can be realized.
The preferred scheme of this patent be described probe portion be flat, there is the first side and the second side, described detecting element is respectively in the first side
Different with the signal distributions formed described in the second side, form two test surfaces.In this scenario, the sensitivity of its both sides, metal detection face is different
's.Side is high sensitivity face, and other side is relatively low sensitivity face.In actual use, muting sensitivity test surface is arranged in set a distance
Interior hope detects the scope that metal size is reported to the police, even if high sensitivity detection face then ensure that than remaining in the remote certain limit of distance set report to the police.
Time actually used, use the pre-test of high sensitivity face, check with muting sensitivity face the most again.By the double-edged detection of one-handed performance with check, real
The metal object of existing quick lock in target sizes, such as controlled knife etc..
Exploring block described in this patent is electromagnetic wave dispatch coil, and described electromagnetic wave dispatch coil is that flat is distributed in probe portion, and electromagnetic wave is received and dispatched
The distance of coil and the first side is less than itself and the distance of the second side.This asymmetric sensitivity Handheld metal detector by housing and is arranged on shell
The compositions such as internal electromagnetic wave dispatch coil, controller, buzzer, alarm lamp, battery component.Electromagnetic wave dispatch coil support is arranged on shell
Body is anterior, is probe portion；The postmedian of housing is component region, the Handheld Divisions such as control circuit.In the detecting area of described front portion, electromagnetic wave transmitting-receiving line
The test surface of a plan range both sides being configured to of circle is non-equally installed, and the side that wherein coil brace distance measurement face is near is referred to as front,
As detection operations face, owing to search coil distance measured object is near, so the detectivity in this face is high；The side that coil brace distance measurement face is remote
It is referred to as reverse side, checks face as detection, owing to search coil distance measured object is remote, so the detectivity in this face is low.Spy by positive and negative both sides
Survey and realize being switched fast of sensitivity.
Install for convenience, described electromagnetic wave dispatch coil fit first side install, with second side keep do not contact.
Further, described controller is provided with detectivity switching circuit, and is provided with the described detectivity switching circuit of control on Handheld Division
Switch.The signal distributions difference of above-mentioned different test surface combines the height sensitivity switch of hand-held detector, it is possible to achieve sensitivity stepping doubles.
Operating for convenience, this patent also includes identifying the first side and the sign of the second side or structure.The positive and negative both sides of described housing test surface were both
Word, figure, color can be used to distinguish, it is also possible to distinguish by the profile of shell both sides.
The concrete scheme distinguished by profile is that described shell shape on the first side is different from its shape on the second side.For scheme
Installing, the first side of described shell forms the first housing, and the second side forms the second housing, and the first hull shape is different from the second housing, described
Probe portion is spliced by the first housing and the second housing.
Compared with prior art, the asymmetric sensitivity Handheld metal detector described in this patent is being detected by asymmetric placement search coil support
The position of housing, makes the detectivity of detector positive and negative have dividing of height, under conditions of equidistant detection, can screen tested metal size.
Use high sensitivity face, it is achieved low rate of failing to report；Use muting sensitivity face, it is achieved low rate of false alarm.Because need not additionally arrange, it is possible to achieve fast
Speed switching, thus realize low failing to report, low wrong report quickly detects, it is achieved the quick detection of big flow.
Accompanying drawing explanation
Fig. 1 is this patent embodiment 1 structural representation.
Fig. 2 is Section A-A internal structure schematic diagram in Fig. 1.
Fig. 3 is the internal structure schematic diagram of this patent embodiment 2.
Detailed description of the invention
Below in conjunction with accompanying drawing, the structure of this patent is further elaborated.
Embodiment 1
Asymmetric sensitivity Handheld metal detector as shown in Figure 1, including probe portion 100 and Handheld Division 200, at the shell of probe portion 100
Electromagnetic wave dispatch coil 300 is inside installed for metal detection.Controller and circuit structure are arranged on probe portion 100 and the connection of Handheld Division 200
Crossing in the shell in region 400, battery is arranged in Handheld Division 200.Described asymmetric sensitivity Handheld metal detector is additionally provided with buzzer and report
Alert display lamp sends alarm when being used for detecting metal.
Described probe portion 100, in flat, has the first side 110 and the second side 120, and described electromagnetic wave dispatch coil 300 is respectively first
Side 110 is different with the signal distributions formed described in the second side 120, forms two test surfaces.Shown in Fig. 2, described electromagnetic wave transmitting-receiving line
Circle 300 is distributed in flat, is installed in probe portion 100 by support 310, electromagnetic wave dispatch coil 300 and distance d of the first side 110
Less than itself and distance D of the second side 120.
So, in the probe portion 100 of described front portion, the support 310 of electromagnetic wave dispatch coil 300 test surface apart from both sides is non-equally to pacify
Dress, near side, its medium-height trestle 310 distance measurement face is referred to as front, as detection operations face, owing to electromagnetic wave dispatch coil 300 is apart from tested
Thing is near, so the detectivity in this face is high；Remote side, support 310 distance measurement face is referred to as reverse side, checks face as detection, due to electromagnetic wave
Dispatch coil 300 is remote apart from measured object, so the detectivity in this face is low.Being switched fast of sensitivity is realized by the detection of positive and negative both sides.
As it has been described above, in this scenario, owing to the sensitivity of both sides, metal detection face is different.First side 110 is high sensitivity face, second
Side 120 is relatively low sensitivity face.In actual use, muting sensitivity test surface is arranged in wishing in set a distance the big tabloid of metal to be detected
Alert scope, even if high sensitivity detection face then ensure that ratio remains in the remote certain limit of distance set report to the police.Time actually used, use Gao Ling
The pre-test of sensitivity face, checks with muting sensitivity face the most again.Hold Handheld Division 200 by one hand to operate double-edged detection and check, it is achieved quickly
The metal object of lock onto target size, such as controlled knife etc..
Identifying above-mentioned detection operations face for convenience and check face, the positive and negative both sides of described housing test surface both can use word, figure, color to distinguish,
Can also distinguish by the profile of shell both sides.
Embodiment 2
The basic system of the present embodiment is identical with a upper embodiment, its distinctive points as it is shown on figure 3, distinguish above-mentioned detection operations face and check face for convenience,
First side of described probe portion 100 shell forms the first housing 130, and the second side forms the second housing 140, the test surface of the first housing 130
For plane, the test surface of the second housing 140 is cambered surface, and both are different, and described probe portion 100 is spliced by the first housing 130 and the second housing 140
Form.As a upper embodiment, described electromagnetic wave dispatch coil 300 is distributed in flat, is installed in probe portion 100 by support 310,
Distance d of electromagnetic wave dispatch coil 300 and the first side 110 is less than itself and distance D of the second side 120.
Claims (10)
1. an asymmetric sensitivity Handheld metal detector, detecting element for sending and receive detectable signal is at least installed in the shell of metal detector, for controlling the controller of detecting element and for providing the battery of power supply, described shell is formed and is connected with each other Handheld Division and probe portion, in at least exploring block is arranged on described probe portion, it is characterized in that described probe portion forms the side that at least two is different, described exploring block in described probe portion in asymmetric distribution, the signal distributions making each not ipsilateral is different, forms different test surfaces.
Asymmetric sensitivity Handheld metal detector the most according to claim 1, it is characterized in that described probe portion is flat, having the first side and the second side, described exploring block is different with the signal distributions formed described in the second side in the first side respectively, forms two test surfaces.
Asymmetric sensitivity Handheld metal detector the most according to claim 2, it is characterized in that described exploring block is electromagnetic wave dispatch coil, described electromagnetic wave dispatch coil is that flat is distributed in probe portion, and the distance of electromagnetic wave dispatch coil and the first side is less than itself and the distance of the second side.
Asymmetric sensitivity Handheld metal detector the most according to claim 3, it is characterised in that described electromagnetic wave dispatch coil fit first side install, with second side keep do not contact.
Asymmetric sensitivity Handheld metal detector the most according to claim 2, it is characterised in that the magnetic field intensity that described probe unit produces on the first side with the second side is different.
6. according to the asymmetric sensitivity Handheld metal detector described in any one of claim 1 to 5, it is characterised in that described controller is provided with detectivity switching circuit.
Asymmetric sensitivity Handheld metal detector the most according to claim 6, it is characterised in that Handheld Division is provided with the switch controlling described detectivity switching circuit.
8. according to the asymmetric sensitivity Handheld metal detector described in any one of claim 2 to 5, it is characterised in that also include identifying the first side and the sign of the second side or structure.
Asymmetric sensitivity Handheld metal detector the most according to claim 8, it is characterised in that described shell shape on the first side is different from its shape on the second side.
Asymmetric sensitivity Handheld metal detector the most according to claim 8, it is characterized in that the first side of described shell forms the first housing, second side forms the second housing, and the first hull shape is different from the second housing, and described probe portion is spliced by the first housing and the second housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620245602.8U CN205643738U (en) | 2016-03-28 | 2016-03-28 | Asymmetric sensitivity hand -held type metal detector |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620245602.8U CN205643738U (en) | 2016-03-28 | 2016-03-28 | Asymmetric sensitivity hand -held type metal detector |
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| CN205643738U true CN205643738U (en) | 2016-10-12 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106405661A (en) * | 2016-11-08 | 2017-02-15 | 北京澳丰源科技股份有限公司 | Hand-held safety-check device and safety-check method |
| CN109799536A (en) * | 2019-04-01 | 2019-05-24 | 中控智慧科技股份有限公司 | A kind of intellectual analysis safety check apparatus based on difference judgement |
-
2016
- 2016-03-28 CN CN201620245602.8U patent/CN205643738U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106405661A (en) * | 2016-11-08 | 2017-02-15 | 北京澳丰源科技股份有限公司 | Hand-held safety-check device and safety-check method |
| CN109799536A (en) * | 2019-04-01 | 2019-05-24 | 中控智慧科技股份有限公司 | A kind of intellectual analysis safety check apparatus based on difference judgement |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP02 | Change in the address of a patent holder |
Address after: 037010 Datong Development Zone Fan Village, Shanxi Patentee after: Datong Kuaian Technology Co. Ltd. Address before: 037047 Shanxi, Datong, new North Road, Xinle District comprehensive building, floor, layer four Patentee before: Datong Kuaian Technology Co. Ltd. |
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| CP02 | Change in the address of a patent holder |